Cat 3406E 10.3 L Diesel Engine, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller 13-Speed Manual Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R24.5 Front Tires, 11R24.5 Rear Tires, Paccar Air Ride Suspension, 232 in Wheelbase, PTO, 20 ft Body, 2250 gal Diesel Tank, ( 5 ) Oil Tanks, ( 10 ) Hose Reels, Metered Nozzles, Grease Barrel, Oil Recovery System